ISTIOCTL-PROXY-CONFIG-LISTENER(1)

📦 version 1.31.3, in nixos 26.05, nixpkgs unstable

✨ istioctl-proxy-config-listener ✨

okay so bestie, this is the istioctl-proxy-config-listener(1) page — yes the whole name is a mouthful, we don't make the rules 💅 — and it's literally your backstage pass to peeking at the listener config of the Envoy sidecar chillin' in whatever pod you point at. let's get into it 🎀

🌸 NAME 🌸

istioctl-proxy-config-listener — grabs the listener configuration for the Envoy in the pod you specify 🫶

🦋 SYNOPSIS 🦋

istioctl proxy-config listener [/][.] [flags]

that's the shape of it, no notes ✨

💜 DESCRIPTION 💜

So basically: you want the tea ☕ on listener configuration for the Envoy instance running inside a specific pod? This command pulls all of that for you. It's giving "detective but make it DevOps" 🔍💖

🌈 OPTIONS 🌈

  • --address="" — filters listeners by the address field 🎯
  • -f, --file="" — points to an Envoy config dump JSON file (yes, you can do this whole thing offline, obsessed) 📁
  • -h, --help[=false] — help for listener, the classic 🫶
  • -o, --output="short" — output format, one of json|yaml|short (default is short, precious and compact) 🎀
  • --port=0 — filters listeners by the Port field 🔢
  • --type="" — filters listeners by the type field 🏷️
  • --verbose[=true] — output more information, for when you simply must know everything 👑 (note the default here is true!)

💫 OPTIONS INHERITED FROM PARENT COMMANDS 💫

these come from the parent command, so they're always in the group chat:

  • --as="" — username to impersonate for the operation. User could be a regular user or a service account in a namespace 🎭
  • --as-group=[] — group to impersonate for the operation; this flag can be repeated to specify multiple groups 🫂
  • --as-uid="" — UID to impersonate for the operation 🆔
  • --context="" — Kubernetes configuration context 🧭
  • -i, --istioNamespace="istio-system" — Istio system namespace (default istio-system, iconic) 🏠
  • --kubeclient-timeout="15s" — Kubernetes client timeout as a time.Duration string, defaults to 15 seconds ⏱️
  • -c, --kubeconfig="" — Kubernetes configuration file 📄
  • -n, --namespace="" — Kubernetes namespace 🌌
  • --proxy-admin-port=15000 — Envoy proxy admin port (default 15000) 🔌
  • --vklog=0 — number for the log level verbosity. Like -v flag. ex: --vklog=9 🔊

🌟 EXAMPLE 🌟

okay these are the actual moves, copy them exactly, no cap:

   # Retrieve summary about listener configuration for a given pod from Envoy.
   istioctl proxy-config listeners <pod-name[.namespace]>

   # Retrieve summary about listener configuration a pod under a deployment from Envoy.
   istioctl proxy-config deployment/<deployment-name[.namespace]>

   # Retrieve listener summary for listeners with port 9080.
   istioctl proxy-config listeners <pod-name[.namespace]> --port 9080

   # Retrieve full listener dump for HTTP listeners with a wildcard address (0.0.0.0).
   istioctl proxy-config listeners <pod-name[.namespace]> --type HTTP --address 0.0.0.0 -o json

   # Retrieve listener summary without using Kubernetes API
   ssh <user@hostname> 'curl localhost:15000/config_dump' > envoy-config.json
   istioctl proxy-config listeners --file envoy-config.json

that last one is literally the "no cluster, no problem" hack and I'm obsessed 😭💖

⭐ SEE ALSO ⭐

bestie reminder: keep the flags exactly as written (-o json, --type HTTP, --address 0.0.0.0, etc.) — vibes are flexible, flag names are not 🙈

and that's the whole page, slay 🎀 this little beauty was auto generated by spf13/cobra and it's dated Jan 1980 — yes, ancient, a true vintage icon, we stan a timeless queen 👑💀💖

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